Company email (May 2017)
"The majority of 10 Barrel's beers that you'll find on shelves are vegan, and in the pubs it's a case by case basis, as some beers chocolate or lactose. If you visit one of 10 Barrel's pubs you can ask a server or bartender to guide you in choosing a vegan beer option. If you have a specific 10 Barrel brand in mind, we're happy to answer that specific question on whether or not it is vegan."

Company Facebook response (May 2012):
"Thanks for your inquiry. All of our beer is Vegan....We don't use any gelatin....Cheers!"